For all our clients and friends and contacts in London, Croydon, Wimbledon and around the UK, these dates should be in your diary.

January 2011

1 January 2011 - Due date for corporation tax payable for the year ended 31 March 2010.
19 January 2011 - PAYE and NIC deductions due for month ended 5 January 2011. (If you pay your tax electronically the due date is 22 January 2011)
19 January 2011 - Filing deadline for the CIS300 monthly return for the month ended 5 January 2011
19 January 2011 - CIS tax deducted for the month ended 5 January 2011 is payable by today.
31 January 2011 - Last day for electronic filing of Self-Assessment returns for 2010
31 January 2011 - Due date for payment of any balance of self-assessment liability for the tax year ending 5 April 2010, plus any payment on account due for the tax year ending 5 April 2011.

December 2010

1 December 2010 - Due date for corporation tax due for the year ended 28 February 2010.
19 December 2010 - PAYE and NIC deductions due for month ended 5 December 2010. (If you pay your tax electronically the due date is 22 December 2010)
19 December 2010 - Filing deadline for the CIS300 monthly return for the month ended 5 December 2010
19 December 2010 - CIS tax deducted for the month ended 5 December 2010 is payable by today.
31 December 2010 - Deadline for filing 2009-10 self-assessment online and claiming for under payments (under £2,000) be collected via tax code in 2011-12.

If your business is in London, Croydon, Wimbledon or around the UK, then these dates should be entered into your diary as soon as you can.

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